___ careful when you cross the road. A. Do B. Do be C. Is D. Are 为什麼!

___ careful when you cross the road. A. Do B. Do be C. Is D. Are 为什麼! Be careful when you c_______ the street be careful when you corss the m___road Be careful when you walk意思 Be careful when you ____the hill 英语翻译Be careful,or you will ___ ___ you must be careful when you ___ with fireworksplay .为什么?我选的是 playing.那为什么要用原形.不可以用 played Please be careful when you are drinking coffee in case you ___ the new carpet.A.crash B.pollute C.spot D.stain You should be careful when you cross the m____ road . 填空题 When you walk___the road,you must be careful. you must be careful when you （ ）the street You __________ careful .When you ______ the road You must take careful when you walk across the street中的 careful 是否正确 The bus is coming.Be careful when you ___ the bus.A.get on B.get off C.get up D.get to You must ___(be) careful (在红绿灯处） be careful when you go --------(cross) the road Paul,______（be） careful when you cross the road. Please be careful when you go____the road.(cross)